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PJM Transmission Exam Study exam with correct answers

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PJM Transmission Exam Study exam with correct answers

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PJM Transmission Exam Study exam |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




with correct answers |||\\\ |||\\\




During System Restoration, what is the optimal Frequency Range? - correct answers59.75 - 61
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Hz



The 500 kV system has normal bus voltages between? - correct answers500 to 550 kV
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




When Connecting 2 islands, the operator must match? - correct answersVoltage, Phase Angle
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and Frequency
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What are the Minimum Source Requirements for a 500kV line? (Gen/mile and load/mile) -
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correct answers30 MW Gen/mile of energized 500 kV and 20 MW Load/mile of energized 500
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kV



When will PJM issue a Minimum Generation Alert? (how many MW under normal operating
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




limits) - correct answersWhen expected generation levels fall within 2500 MW of normal
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operating limits |||\\\




When a thunderstorm is nearing the BES should auto-reclosing be turned on? - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersYes



What does SCADA stand for? - correct answersSupervisory Control & Data Acquisition
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What does IROL stand for? - correct answersInterconnection Reliability Operating Limit
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What does eDART stand for? - correct answersDispatcher Application and Reporting Tool
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\

,What is eDART used for? (Electronic Disp Reporting Tool) - correct answersIt is used for:
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Generation Outage Scheduling, Instantaneous Reserve Checks, Generator Reactive Capabilities
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and to enter and submit switching
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\




What direction do VARS flow? - correct answersFrom HIGH Voltage to LOW Voltage
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




What direction do MW flow? - correct answersFrom HIGH Phase Angle to LOW Phase Angle
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Which of the following factors are NOT used in forecasting load?
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1) Weather Forecast
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2) Historical Load Forecast
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3) Historical Weather Data
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4) Locational Marginal Pricing (LMP) Data - correct answers4
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




What one-way communication system is used to disseminate info to local call centers? - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersAll-Call
|||\\\ |||\\\




The 3 categories of messages issued by PJM All-Call all EXCEPT:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




1) Operational |||\\\




2) Informational|||\\\




3) Conflicting Interchange Values
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4) Emergency Procedures - correct answers3
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




When should, transmission outages should be submitted to PJM to avoid cancellation and to be
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




considered "on time?' - correct answersFirst day of Month Prior to the Outage
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,What report will be requested by PJM when a Max Generation Alert is issued? - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersSupplementary Status Report (SSR) |||\\\ |||\\\ |||\\\




The loss of a large generation unit on the PJM system can be detected by monitoring: - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersFrequency and PJM Area Control Error (ACE) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




The PJM system is operated such that the contingency flow is less than the: - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersEmergency Rating |||\\\




When ordered a 5% voltage reduction should be taken on: - correct answersThe Distribution
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




System



TOs are required to report "Hot Line Work" on what voltage levels? - correct answers345 kV
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




and Above |||\\\




Load dump rating of an EHV line is determined by? - correct answers115% of the facility's 4
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




hour Emergency Rating |||\\\ |||\\\




During System Restoration, will closing additional tie lines increase the strength & stability of
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




an interconnected area? - correct answersYes
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Which of the following factors influence load forecast (3)?
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




1) Weather
|||\\\




2) Temperature
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3) Reactive Reserves
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4) Day of the week - correct answers1, 2, 4
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\

, During system restoration, what is the voltage range the system should be kept between? -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




correct answers90% and 105% maintain voltage profile between for system restoration
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




PJM will coordinate and direct all restoration lines of what voltage levels? - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answers500kV and above |||\\\ |||\\\




How much load would you dump to increase the frequency by 1 Hz (percentage range)? -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




correct answers6-10% |||\\\ |||\\\




Generation is disconnected after 5 seconds, when the frequency: - correct answersDrops
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




below 57.5Hz |||\\\




How much of the total Dynamic Reserve should be used on Under Frequency relay load? -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




correct answers |||\\\ |||\\\




During System Restoration, capacitor banks should be kept off until how much of the load is
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




restored? - correct answers40% |||\\\ |||\\\ |||\\\ |||\\\




Would PJM assume Frequency Control when the control of an interconnected area is too
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




burdensome for any Local Control Center? - correct answersYes |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Operator receiving an All-Call message should state the following before playback of the
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




message? - correct answersName and Company |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Dynamic Reserves consist of: - correct answersGovernor Reserve and Load that has been
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




restored with under frequency relays |||\\\ |||\\\ |||\\\ |||\\\

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